Question

A rope of length 100cm is cut into 2 pieces.one piece ia used to form a rectanle of lenght 20cm and 10cm.the other piece is bent into square.what is the lenght of each side of the square

Answer 1

10 CM

Explanation:

PERIMETER OF RECTANGLE= 2(A+B)

P=2(20+10)

P=2(30)

P=60

100-60=40

LENGTH OF SECOND ROPE = 40

PERIMETER OF SQUARE= 4L

40=4L

40/4=L

10=L

Answer 2

20*2 + 10*2 = 40 + 20 = 60
100 - 60 = 40
40/4 = 10
The length of each side of the square is 10 centimeters.